查询词典 aquatic weed

The invasive alligator weed has been successfully controlled by natural enemies in many aquatic habitats but not in terrestrial environments worldwide.

本研究以空心莲子草Alternanthera philoxeroides Grisebach 为对象，该植物是一种在世界范围严重入侵的恶性杂草。

Green forage includes aquatic plants and continental plants, such as: alligator weed, duckweed, broad bean leaf, lettuce leaf, roll vegetable, sugar beet, watermelon peel, all kinds of vegetables and so on

C 10 青绿饲料包括水生和陆生植物。如水花生、浮萍、蚕豆叶、莴苣叶、蚕豆叶、卷叶菜、甜菜、西瓜皮、各种水果、树叶等；谷类饲料如麸皮、米糠、高粱、玉米和各种米粒碎屑等

As can be seen from the panoramic view of the central decorative band on the current jar, the design of four fish swimming amongst hehua lotus and other aquatic plants, including shui bie water poppy, qing ping three-petalled duck weed, ping or tianzi cao water clover, kucao eel grass and jin yu zao hornwort; is beautifully constructed to achieve a richly-textured, perfectly balanced composition, full of movement, depicting the fish swimming convincingly through the water.

正如从当前这件瓷罐中央主要纹饰全景图中所见到的，四条鱼在荷花及其他水生植物间游荡的设计，包括水罂粟、三瓣青萍、萍或天字草、枯草和金鱼藻；精美的构造出一个富有层次感、结构完美和谐、动感十足的描绘鱼儿在水中穿梭游荡的真实画片。

Prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses.

有生殖力的南美洲水生野草，有类似草的叶子和白色穗状花序；大量漂浮阻塞水道。

Crab,reproduced in man-made brackish water,camouflaged by aquatic weed,fed on meal made of crayfish and fresh fish and maintained in qualified water,are cultured seperataly from megalopa to Ⅲ-stage larval in cage,cement pool and pond.

利用网箱、水泥池和池塘分别培育人工半咸水繁殖的河蟹大眼幼体至Ⅲ期仔蟹，以水草为隐蔽物，新鲜鱼、虾等肉糜为主要食物，保持良好水质；采取上述技术措施，网箱内培育的仔蟹成活率为75％、水泥池达86％、池塘为40.5％。

Starry Night twisted together as a fairy tale, tree or building, like aquatic weed, smoke or talon.

星空象童话一样扭在一起，树，还是建筑，象水草、炊烟或魔爪。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。